Causes and Troubleshooting of Running Deviation of Farm Three-wheel Transporter

When the agricultural three-wheeled transport vehicle is in motion, if the driver gently holds the handle with both hands, the vehicle can keep running in a straight line, and feel that the two hands are evenly stressed, which shows that the vehicle has a good linear driving performance. If the driver has to use a very strong force to steer the vehicle in a straight line, it will run to the side without paying attention to the front wheel. It is obvious that the inertia of the vehicle is poor and the air-slip distance is short, indicating that the vehicle has a driving force. Misoperation. First, the main reasons for driving deviation 1, the tires tire pressure is inconsistent, so that the center of gravity of the vehicle is more deviated from the middle position; the driving wheel is not the same as the gravity, so they produce different traction. In this way, a yaw moment is generated on the front wheel and a deviation is formed. 2. The frame is distorted or the front fork is deformed, so that the grounding of one or all of the wheels of the tire is not complete or the sidewall of the tire is grounded. At this time, the friction resistance of the ground and the traction generated by the vehicle are extremely complicated, and the front wheels may also be deflected. 3, wheel rim deformation or deformation of the front hub, resulting in a wheel deflection, can also form a deviation. 4. The frame is asymmetrically manufactured or deformed during use, so that the front steering wheel is not on the symmetrical centerline of the two driving wheels. 5, the direction of the column nut is too tight, or the upper and lower thrust force bearing has serious damage. 6, the rear axle position is not installed correctly, so that the position of the two wheels away from the vehicle's driving direction. 7, loading of goods is too heavy and uneven in the cargo compartment. 8, shock absorber shock effect is not the same, such as serious oil spill or shock inconsistent stretch, not only can form a deviation, but also often cause severe jitter at the front wheel at high speed. Second, the elimination method 1, check whether the tire pressure is sufficient, insufficient tires should be timely qi. 2. Strictly control the loading quality. When loading, pay attention to make the goods as uniform as possible in the loading room. 3, when buying a new car must pay attention to the manufacturing accuracy of the frame. If the frame is deformed due to external force during use, it should be corrected in time. 4. Check if the rim and hub are distorted, the distorted rim must be corrected, and the deformed hub must be replaced. 5, check the handlebar rotation is flexible, if the rotation is not working or even issued a card, then the nut on the direction of the first nut loose. If it still does not work, check the thrust bearing separately. If the shaft ring or steel ball is damaged, replace it in time and add grease to it. 6. The front fork is often deformed due to stress during use. It must be checked frequently. The deformed front fork tube can be calibrated and repaired on the press bed. 7. If a shock absorber leak is found during use, the seal ring should be replaced at any time. When the left and right shock-absorbing springs are found to have different elasticity, check whether the spring has cracks or breaks and replace them in time. 8. The relative group of the rear axle assembly and suspension must be accurately fixed with U-shaped bolts, and the offset in use should be adjusted in time.

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